Q:How to find the camera dead ends

Professional is this: from the camera's lowest vertical angle and 45 degrees direction of the corner shot to the ground for the vertex to draw a square to the corner, for most of the camera is within the square of the collection area is invalid, basically applicable to The market of 90 percent of the camera, very few high-value professional equipment, except, even if the square of the two sides can sweep the image of the place has been seriously deformed, there is no legal effect, this has been in court there are numerous cases

Q:Seeking a few surveillance camera manufacturers

Joint venture brand can also be considered, first-line products or import or joint venture.

Q:What is the difference between monitoring cameras CCD1 / 3 and 1/4?

The bigger the CCD is, the better. There are now 1 inch, 2/3 inch, 1/2 inch, 1/3 inch, 1/4 inch. 3.6MM lens distance of about 8 meters 6MM lens distance of about 15 meters 8MM lens distance of about 25 meters 12MM lens distance of about 35 meters is the larger the lens, you can see farther things, but see the face very little difference is 1 / 3 lens of the light through the small aperture

Q:Wireless micro-surveillance camera how to see what to shoot

First of all to distinguish between which type of wireless micro-surveillance camera, is with memory or no memory.

Q:Remote monitoring principle

Network communication using TCP / IP and network multicast (Multicast) technology, to maximize the use of the network transmission performance and network bandwidth, to avoid network congestion.

Q:Can I monitor the camera directly on TV?

Can be directly connected to the TV, but can not video, the camera that you see the range, to the market and they say that this can be the case, they will give you with a good

Q:HD surveillance cameras are common faults

1) check the camera's power is normal, the infrared machine to cover the photoresistor when the infrared light will open, and can hear the sound of the IR cut switch;

Q:Hello, because no electric video recorder did not manually set, but I would like to look back a few days before the monitor can be transferred out

1, if the surveillance camera is only access to the monitor, no access to the hard disk video recorder, video images are not stored, you can only see the real-time picture, can not playback.

Q:How to install a surveillance camera

4. Switch to the video settings, wait a few seconds after you should see the video screen, display the video device to start successfully, and you can see the screen.

Q:How is the general surveillance camera connected to the computer?

(3) the camera's signal line connected to the video capture card, thus, completed the video capture card hardware installation. In addition, the need for software installation. Install the video capture card using the driver, MPEG encoder, *** and so on.